SER Q class

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SER Q class
South Eastern Railway Class Q, 312
Type and origin Power type Steam Designer James Stirling Build date 1881–1897 Total produced 118
Specifications Configuration: ​  • Whyte 0-4-4T  • UIC B2′ n2 Gauge 4 ft 8+1⁄2 in (1,435 mm) Driver dia. 5 ft 6 in (1.676 m) Trailing dia. 3 ft 0 in (0.914 m) Wheelbase 22 ft (7 m) Axle load 16 long tons (16.3 t) Loco weight 48.65 long tons (49.4 t) Fuel type Coal Fuel capacity 0.15 long tons (0.2 t) Water cap. 1,050 imp gal (4,800 L; 1,260 US gal) Firebox: ​  • Grate area 16 sq ft (1 m2) Boiler pressure 140 lbf/in2 (0.97 MPa) Heating surface: ​  • Tubes and flues 922.5 sq ft (85.70 m2) Cylinders Two, inside Cylinder size 18 in × 26 in (457 mm × 660 mm) Valve gear Stephenson
Performance figures Tractive effort 15,189 lbf (67.56 kN)
Career Operators South Eastern Railway → South Eastern and Chatham Railway → Southern Railway Class Q Number in class 1 January 1923: 32 Withdrawn 1907–1929 Disposition All scrapped

The SER Q class was a class of 0-4-4T steam locomotives of the South Eastern Railway. The class was designed by James Stirling and introduced in 1881.^[1]